Keywords
electrolyte
Li/polyimide cell
LiTFSI
lithium cation
solvate ionic liquid
tetraglyme
Abstract
New high-temperature lithium–polyimide batteries with electrolytes based on the solvate ionic liquid, namely LiN(SO2CF3)2 in tetraglyme, were developed. Resource tests of Li/polyimide cells with a 1 : 2 solvate complex of lithium bis(trifluoromethanesulfonyl)imide in tetraglyme as an electrolyte demonstrated stable capacity of 185 mAh g−1 over 100 charge–discharge cycles at 100 °C.
Funders
Ministry of Education and Science of the Russian Federation
124013000743-3 (FFSG-2024-0008)
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